Regarding handedness, which of the following statements is FALSE?
a. Handedness is directly inherited, like eye color and skin color.
b. Handedness is influenced by a single gene on the X chromosome.
c. Learning, birth traumas, and social pressure to use the right hand can affect which hand one ends up favoring.
d. Left-handedness is more common in males than in females.
A
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___________ theory states that child development occurs according to a prearranged scheme or plan within the body
a. Psychodynamic c. Maturational b. Ecological d. Cognitive developmental
A person is administered a placebo "pain-relieving" skin cream just before receiving a painful electric shock. Imaging studies suggest that the placebo analgesic effect is due to
a. decreased activity within the prefrontal cortex and PAG. b. decreased activity within the somatosensory cortex. c. increased activity within the prefrontal cortex and PAG. d. blockade of opiate receptors within the spinal cord. e. the release of serotonin within the brain stem.